10ft Golf Putting Mat - Automatic Ball Return, 3 Hole Sizes , BrownGreen 52404563Automatic Ball Return System: This golf putting mat features an automatic ball return system, eliminating the need to retrieve your golf balls after every putt. So, you can spend more time practicing your strokes and less time bending over to collect balls. Designed for Precision Training: Offering 3 hole sizes (hole diameter: 3. 5 inch, 2. 7 inch, 2. 4 inch), this golf practice mat increases the difficulty level gradually as you become more